Element block pseudo-element :before generated with float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition border 0px rgba(0,0,0,1) solid transform font-size 16px position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 width 160px display block opacity 1 height auto z-index auto border-radius cursor default margin 0px font-weight normal background outline none overflow hidden box-sizing content-box padding 20px